Inventory - Schedule of Inventory (Detail) - USD ($) $ in Millions		Mar. 31, 2023	Dec. 31, 2022
Inventory Disclosure [Abstract]
Raw materials		$ 6,405	$ 6,137
Work in process		2,458	2,385
Finished goods	[1]	4,591	3,475
Service parts		921	842
Total		$ 14,375	$ 12,839

[1] Finished goods inventory includes vehicles in transit to fulfill customer orders, new vehicles available for sale, used vehicles and energy products available for sale.